dastiw on "[Plugin: Duplicator] Can´t duplicate: error on step 1"

Hello, I´ve been tried for 3 days but i cant duplicate.
I have an error on first step:

Step 1: Files & Database
Please try again an issue has occurred.

server code: 0
status: error
response: undefined

some ideas?

THX

https://wordpress.org/plugins/duplicator/